Herb Formulas Notebook

Xiao Qing Long Tang

Minor Blue-Green Dragon Decoction

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Source: Discussion of Cold Damage (c. 220)
Author: Zhang Ji / Zhong-Jing

Category: Formulas that Release the Exterior

Pattern: Taiyang Wind-Cold invasion with Internal accumulation of thin mucus

Key Symptoms: Fever and chills (chills predominate) without sweating, cough, wheezing, sputum that is copious watery and white, stifling sensation in the chest, generalised sensation of heaviness or body aches
Secondary Symptoms: thirst, diarrhoea, urinary difficulty, superficial oedema (in severe cases), difficulty breathing when lying down, lower abdominal fullness

Tongue: Wet body with a thin, white coating
Pulse: Floating, or wiry and tight
Abdomen: Tight rectus abdominis muscle, splashing sounds in the epigastrium

Ma Huang 9g
Gui Zhi 6-9g
Gan Jiang 3-6g
Xi Xin 3-6g
Wu Wei Zi 3g
Bai Shao 9g
Zhi Ban Xia 9g

Ma Huang may be substituted with Zi Su Ye if difficult to obtain.

Xi Xin may be substituted with Wei Ling Xian if difficult to obtain.

Preparation: Decoction.

Actions: Releases Wind-Cold from the Exterior, transforms this mucus, warms the Lungs, directs rebellious Qi downwards

Contraindications: Long term use, or for conditions with Heat, coughing of blood or cough due to Yin deficiency. Caution in patients with hypertension.

Research Links:
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Google Scholar
Journal of Chinese Medicine
American Dragon

Reference Notes: (click to display)

These pages are intended to assist clinicians and are not intended for self-diagnosis or treatment for which a qualified professional should be consulted.